import java.util.Scanner;

public class switch_sentence {
    public static void main(String[] args) {
        System.out.println("请输入你的选择：");
        Scanner sc = new Scanner(System.in);
        int select = sc.nextInt();

        switch (select) {
            case 1:
                System.out.println("你输入的是1");
                break;
            case 2:
                System.out.println("你输入的是2");
                break;
            default:
                System.out.println("你输入的不正确");
                break;
        }
        sc.close();
    }
}
